using System;

using System.IO;

using System.Security.Cryptography;

using System.Text;

​

public class Program

{

    private const string k = "A2B3C4D1";

    private const string kiv = "1A2B3C4D";

    public static void Main()

    {

        encrypt("peanuts");

    }

    public static void encrypt(string str)

    {

        try

        {

            using (var ms = new MemoryStream())

            using (var csp = new DESCryptoServiceProvider() { Key = Encoding.UTF8.GetBytes(k), IV =  Encoding.UTF8.GetBytes(kiv) })

            {

                Console.WriteLine("Algorithm: DES?/" + csp.Mode + "/" + csp.Padding);

                Console.WriteLine("BlockSize: " + csp.BlockSize);

​

                using (var cs = new CryptoStream(ms, csp.CreateEncryptor(), CryptoStreamMode.Write))

                using (var sw = new StreamWriter(cs))

                    sw.WriteLine(str);

​

                byte[] barray = ms.ToArray();

​

                Console.WriteLine("barray length: " + barray.Length);

                Console.WriteLine("barray: " + string.Join(" ", barray));

                Console.WriteLine("barray: " + Convert.ToBase64String(barray));

            }

        }

        catch (Exception ex) { Console.Write(ex.ToString()); }

    }

}